Can a menstrual cycle that changes between 31-36 days still be considered normal? How do I know when I am fertile? Can a menstrual cycle that changes between 31-36 days still be considered normal? How do you know when you are fertile? No Worry! Yes, its normal – Not too abnormal, no. Perhaps your average … Continue reading Can a menstrual cycle that changes between 31-36 days still be considered normal? How do I know when I am fertile?